[Coco] Q: Burke & Burke hard disk controller
cocomalt at 6809.org.uk
Tue Sep 30 09:17:32 EDT 2008
Steven Hirsch wrote:
> Or, will a 16-bit IDE drive work while throwing away half its
> capacity (no access to the upper byte of data)?
Yes, this definitely works. I recently picked up an IDE/CompactFlash
interface off Ebay for the BBC Master, and it is an 8-bit interface.
8 bits of each 16-bit transfer are simply discarded.
Looking around a bit revealed that at least the most common ATA commands
are all contained within 8 bits.
Ciaran Anscomb, Perl/C Hacker
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